The attack happened during the Tuesday evening commute from Dudley Station to Roslindale Square.

A 36-year-old T bus driver was punched in the face after he asked a passenger to pay the full fare after he dropped in just a few coins.

"A lot of words passed and it just happened. Passengers were shocked and ran off the bus, screaming for help," one witness said.

"He asked the driver for a ride and he couldn't get it, and the driver got a little belligerent with him and he couldn't take it," a witness said.

Less than two months ago, Team 5 Investigates reported that some MBTA crime numbers are up.

Aggravated assault against T riders is up 20 percent with 151 attacks last year. More MBTA drivers are being assaulted, with an average of three each week.

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